package com.thread.lesson.demo01;

/**
 * @Author: Mr.Xi
 * @Description: 模拟龟兔赛跑
 * @Date: Create in 17:44 2021/6/30
 * @Modified By:
 */
public class Race implements Runnable{
    //胜利者
    private static String winnner;

    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {

            //模拟兔子休息
            if (Thread.currentThread().getName().equals("兔子") && i%10 == 0){
                try {
                    Thread.sleep(1);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            //判断比赛是否结束
            boolean flag = gameOver(i);
            //如果比赛结束了，就停止程序
            if (flag){
                break;
            }

            System.out.println(Thread.currentThread().getName()+"-------->"+i+"步");
        }

    }

    /**
     * 判断是否完成比赛
     * @param steps
     * @return
     */
    private boolean gameOver(int steps){
        //判断是否有胜利者
        if (winnner != null ){//已经存在胜利者了
            return true;
        }{
            if (steps == 100){
                winnner = Thread.currentThread().getName();
                System.out.println("winner is "+winnner);
                return true;
            }
        }
        return false;
    }

    public static void main(String[] args) {
        Race race = new Race();

        new Thread(race,"兔子").start();
        new Thread(race,"乌龟").start();

    }
}
